HIGH EFFICIENCY DECATHLON SERIES GAS FRYERS
CHAPTER 1: SERVICE PROCEDURES
1-33
1.8.5 Improper Filtration Function
The majority of filtration problems arise from operator error. One of the most common errors is
placing the filter paper on the bottom of the filter pan rather than over the filter screen. Anytime the
pump is running, but no oil is being filtered, check the installation and size of the filter paper. Verify
that the O-rings on the slip-connection are in good condition. Missing or worn O-rings allow the
pump to suck air, decreasing its efficiency.
If the pump motor overheats, the thermal overload will trip and the motor will not start until it is
reset. If the pump motor does not start, press the red reset switch located on the rear of the motor.
Also, reset the filter circuit breaker located under the fryer control panel. If the pump then starts,
something caused the motor to overheat. The pump most likely overheated for one of the following
reasons:
•
Shortening was solidified in the pan or filter lines.
•
Multiple frypots were filtered one-after-another. Allow the pump to cool for 30 minutes before
using again.
•
The operator attempted to filter unheated oil. Cold oil is thick and will cause the pump motor to
work harder and overheat.
If the motor runs, but the pump does not, the pump is blocked. Incorrectly sized or installed paper
allows food particles and sediment to pass through the filter pan and into the pump. When sediment
enters the pump, the gears bind and cause the motor to overheat, tripping the thermal overload.
Solidified shortening in the pump will produce the same result. A pump seized by debris or hard
shortening must be disassembled, cleaned, and reassembled in the following manner:
1.
Disconnect power to the filter system.
2.
Remove the front cover of the pump to access the gears inside, if the pump is accessible while
still inside the cabinet. If the front cover is not accessible, the pump must be removed from the
pump motor (disconnect input/output plumbing from the pump prior to removing it). Remove
three setscrews to disengage the pump from the motor.
3.
Prior to reassembly, the inside housing must be clean and free of any sediment or debris. If not,
the gears will bind again after reassembly.
Remove debris or hardened
shortening to free gears.
Remove these bolts to
remove pump cover.
NOTE:
The pump cover in
current production units
is held in place by four
(4) bolts.
Содержание BK1814
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